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Andru [333]
3 years ago
11

Write the equation if the line that passes through the point (3,5)

Mathematics
2 answers:
Luba_88 [7]3 years ago
8 0
Since the line is parallel to the graph y = 2/3x + 1, then it must have a gradient of 2/3, by definition.

Hence, let's use the point-gradient form:
y - y_1 = \frac{2}{3}(x - x_1), where (x₁, y₁) are the coordinates we're passing through

y - 3 = \frac{2}{3}(x - 5)
3y - 9 = 2x - 10
3y = 2x - 1
y = \frac{2}{3}x + 3
Bingel [31]3 years ago
3 0
Not enough information to solve
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Marisa decided to raise the price of her earrings so that she will make a profit of $5.00 on each pair. She has
Varvara68 [4.7K]

Marisa, who raise the price of her earrings so that she will make a profit of $5.00 on each pair, expect to make a profit with her company.

<h3>What is the unit price?</h3>

The unit price is the amount of money required to buy one unit of a item or goods.

To find the unit price, divide the total cost of the goods to the total number of goods.

The cost of repair will now be $60. Thus, the total cost of 50 earrings is,

C=60\times50\\C=3000

Marisa decided to raise the price of her earrings so that she will make a profit of $5.00 on each pair. Thus, the new selling price of her earring is,

P=60+5\\P=65

The sale's price of 50 earrings is,

P=50\times65\\P=3250

She has also improved the quality control so that only 1 pair in 50 need to be returned for repair. Thus, the cost price of one earring has to be removed from the sales price of 50 earrings as,

P=3250-60\\P=3190

The profit made by her company on 50 earrings is

p=P-C\\p=3190-3000\\p=190

Thus, Marisa, who raise the price of her earrings so that she will make a profit of $5.00 on each pair, expect to make a profit with her company.

Learn more about the unit price here;

brainly.com/question/25879801

#SPJ1

8 0
1 year ago
What is the equation in vertex form of the quadratic function with a vertex at (-1, -4) that goes through (1, 8)?
cestrela7 [59]

Answer:

y = 3(x+1)^2 - 4

Step-by-step explanation:The general form of the equation of a quadratic function whose vertex is (h,k) and whose leading coefficient is a is:

y - k = a(x-h)^2, or

y      = a(x-h)^2 - k

Substituting the coefficients of the vertex (-1, -4), we get:

y      = a(x + 1)^2 - 4

Substituting the coordinates of the given point, (1,8), we get:

8      = a(1+1)^2 - 4, which simplifies to:

8      = a(2)^2 - 4, or

8  = 4a - 4.  Then 4a = 12, and a = 3.

Thus, the desired equation is y = 3(x+1)^2 - 4 (answer j).


5 0
3 years ago
Someone please help me
yuradex [85]

Answer:

112in²

Step-by-step explanation:

Formulas: V = \frac{lwh}{3}, V = lwh

Sub: v = \frac{4 x 4 x 6}{3}

Solve: 32

Sub: v = 4 x 4 x 5

Solve: 80

V = 80 + 32

V = 112

<u>The total volume of the figure is 112in²</u>

3 0
2 years ago
PLEASE I WILL GIVE BRAINLIEST ​
nevsk [136]

Answer:

easy....

Step-by-step explanation:

im in 5th grade.... may i plz still have brainlest???

4 0
3 years ago
PLZ NEED AN ANSWER FAST WORTH 5 TO 10 POINTS
worty [1.4K]

n - 12 = -9

Add 12 to both sides to isolate the variable n.

n = -9 + 12

n = 3

B) n = 3

4 0
3 years ago
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